Articles authored by UoM staff: Recent submissions

Now showing items 41-60 of 728

Tropical Cyclone damages in Sri Lanka

Srisangeerthanan, S; Lewangamage, CS; Wickramasuriya, SS [Article-Abstract]

A tropical cyclone is a region of violently circulating air about a central core of low atmospheric pressure relative to its surrounding. These devastating atmospheric phenomena are capable of surface winds with sustained ...
Experimental investigation on flexural behaviour of Bamboo reinforced concrete slab panels

Perera, PMDJS; Lewangamage, CS [Article-Abstract]

Bamboo is available in almost all parts of the world as well as in Sri Lanka. It is a natural lightweight material. Compared to other natural timber species available, bamboo provides very high strength to weight ratio. ...
An Approach to seismic analysis of (Engineered) Buildings in Sri Lanka

Lewangamage, CS; Kularathna, HGSR [Article-Abstract]

Even though, Sri Lanka was believed to have no seismic threats, it is now realized that Sri Lanka can no longer be considered as a country safe from seismic threats following the recent events that occurred in and around ...
Earthquake Performance of free Standing four Legged Greenfield Towers

Gunathilaka, AMLN; Lewangamage, CS; Jayasinghe, MTR [Conference-Abstract]

Telecommunication/broadcasting towers play a vital role in telecommunication and broadcasting sectors by facilitating wireless data and signal transmissions. The failure of a tower especially under a disaster situation ...
Multi agent based power distribution system restoration : a literature survey

Jayasinghe, SL; Hemapala, KTMU [Article-Abstract]

Multi agent system (MAS) is one of the most dominant research wings which consist of several agents who interact with each other to achieve a common objective. MAS has been developed for a wide range of applications in ...
Identification of the optimum protection co-ordination in medium voltage distribution system of Sri Lanka

Dissanayake, LK; Hemapala, KTMU; Wijekoon, HM [Article-Abstract]

Majority of the faults in power network are transient and these faults can be cleared with proper installation of protective devices with appropriate protection settings. It is important to clear the faults as soon as ...
Lead and cadmium removal from aqueous medium using coir pith as adsorbent : batch and fixed bed column studies

Amarasinghe, BMWPK [Article-Abstract]

Coir pith was used as an alternative to commonly available adsorbents for heavy metal ion removal from aqueous solutions. Batch and fixed bed column experiments were conducted to study adsorption character,sties of Cd and ...
PPF-An Expected approach for infrastructure development in developing country

Tanabe, SM; Shelboun, MA; Ranasinghe, KAMK [Article-Abstract]

Conventionally in the procurement of public physical assets, govemment/public agencies have engaged the private sector to construct facilities and/or supply equipment, and public agencies will then own and operate the ...
Investigation of optimum quality parameters for heat sensitization of natural rubber latex compounds

Ganhewa, N; Walpalage, S; Perera, DGPM [Article-Abstract]

Heat sensitization is used as a Abstract: method of manufacture thick wall rubber article from Natural Rubber Latex (NRL) compounds. Number of quality parameters of the NRL compound should be controlled to produce good ...
Effects of human resource development practices on service quality of services offshore outsourcing firms

Wickramasinghe, V [Article-Abstract]

Purpose – The purpose of this paper is to investigate the influence of human resource development (HRD) practices on the quality of service of services offshore outsourcing firms in Sri Lanka. Design/methodology/approach ...
Knowledge sharing and service innovativeness in offshore outsourced software development firms

Wickramasinghe, V [Article-Abstract]

Purpose - The purpose of this study is to investigate the effects of knowledge sharing on mnovaliveness in offshore outsourced software development firms. Design/methodology/approach - For the study, a survey methodology ...
Incorporating smart software-defined networks to enhance resilience and survivability in the cloud : survey of current challenges and future research scopes

Banerjee, I; Perera, I; Nag, A; Choudhury, J [Article-Abstract]

With increased dependence on grids and the cloud, resilience and survivability become pre-requisites of backbone network infrastructure. Due to the unprecedented migration of data centers to both public and private cloud ...
Linear prediction of wind Speed variation in a wind power plant in Sri Lanka

Narayana, M; Vidanage, PW; Rathnayake, HHMP [Article-Abstract]

Wind speed-time series data typically exhibit autocorrelation, which can be defined as the degree of dependence on preceding values. This paper presents state of the art wind speed forecasting technique and compares the ...
Viability of grid connected small wind and Solar Photovoltaic Home Systems in Sri Lanka

Narayana, M [Article-Abstract]

According to the present energy scenario in Sri Lanka, out of whole electricity generation 65% nerated by fossil fuel and it is a large fraction of the total imports. In this situation, utilization of wable energy for ...
Safety and emergency preparedness in oil and gas industry : experience based on North Sea offshore platforms

Botheju, D; Abeysinghe, K; Rathnasiri, PG [Article-Abstract]

It is .anticipated that viable oil and gas Abstract: resources are present in Sri Lanka's exclusive economic zone in the Indian Ocean. Offshore oil and gas exploration and production activities can nevertheless lead to ...
Optimization of dairy waste water treatment process using combined experimental and mathematical modelling approach

Godawita, A; Rathnasiri, PG [Article-Abstract]

In this study, combined experimental and mathematical modelling approach is developed to optimize diary waste water treatment plant. Anaerobic digestion model no.l (ADM1) was built in a simulator called Aquasim 2.1f. UASB ...
Effect of nozzle size on texturing performance : comparison between air-jet and steam-jet texturing

Wickramasinghe, GLD; Foster, PW [Article-Abstract]

The objectives of this research work were to investigate the use of steam in order to replace air in the production of spunlike textured yam and to investigate the optimum nozzle size for steam-jet textured yam for the ...
Investigation of the use of steam for spun-like textured yarn manufacturing : effect of production speed on yarn properties

Wickramasinghe, GLD; Foster, PW [Article-Abstract]

Purpose - The purpose of this paper is to investigate the use of steam in order to replace air in the production of spun-like textured yams. Further, this paper analyse the effect of production speed on process and textured ...
Investors behaviour in stock exchanges based on price multiples and value drivers, a case study based on Colombo stock exchange in Sri Lanka

Dasanayaka, SWSB [Article-Abstract]

The main objective of this paper is to identify investor behaviour in the Colombo Stock Exchange by using price multiples and the corresponding value drivers. This study uses widely available and easily identifiable three ...
Lessons from natural disasters, a case study based on rehabilitation and re-establishment of Tsunami affected small and medium-scale enterprises (SMEs) in Sri Lanka

Dasanayaka, SWSB; Wedawatta, G [Article-Abstract]

The main objective of this paper is to identify some of key issues encountered by Tsunami affected I SMEs in the process of rehabilitation and re-establishment in Sri Lanka. Second objective is to assess how far these ...

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